![U.S. Air Force Staff Sgt. Mitchell Chappelle, 961st Aircraft Maintenance Unit radar technician, positions a fire extinguisher in front of an E-3 Sentry from the 961st Airborne Air Control Squadron June 8, U.S. Air Force Staff Sgt. Mitchell Chappelle, 961st Aircraft Maintenance Unit radar technician, positions a fire extinguisher in front of an E-3 Sentry from the 961st Airborne Air Control Squadron June 8,](https://c8.alamy.com/comp/PXKXCT/us-air-force-staff-sgt-mitchell-chappelle-961st-aircraft-maintenance-unit-radar-technician-positions-a-fire-extinguisher-in-front-of-an-e-3-sentry-from-the-961st-airborne-air-control-squadron-june-8-2017-at-kadena-air-base-japan-the-sentry-has-rotating-radar-with-a-range-of-more-than-250-miles-providing-early-warning-and-detection-for-missions-PXKXCT.jpg)
U.S. Air Force Staff Sgt. Mitchell Chappelle, 961st Aircraft Maintenance Unit radar technician, positions a fire extinguisher in front of an E-3 Sentry from the 961st Airborne Air Control Squadron June 8,
US Air Force (USAF) STAFF Sergeant (SSGT) Darnell Walls, Firefighter, 332nd Expeditionary Civil Engineering Squadron (ECES),
![File:U.S. Air Force Staff Sgt. Nicole Longwell, left, and Senior Airman Jacob Frey, both firefighters, File:U.S. Air Force Staff Sgt. Nicole Longwell, left, and Senior Airman Jacob Frey, both firefighters,](https://upload.wikimedia.org/wikipedia/commons/a/a4/U.S._Air_Force_Staff_Sgt._Nicole_Longwell%2C_left%2C_and_Senior_Airman_Jacob_Frey%2C_both_firefighters%2C_prepare_a_truck_at_Fire_Station_No._1_at_the_U.S._Air_Force_Academy_in_Colorado_Springs%2C_Colo.%2C_June_12%2C_2013_130612-F-WR679-029.jpg)
File:U.S. Air Force Staff Sgt. Nicole Longwell, left, and Senior Airman Jacob Frey, both firefighters,
![Kenny Gestes, Schriever Air Force Base Fire Department firefighter, handles the Shark, a collapsible step cribbing, which is used to stabilize, extricate, and rescue accident victims during a simulated emergency at Schriever Kenny Gestes, Schriever Air Force Base Fire Department firefighter, handles the Shark, a collapsible step cribbing, which is used to stabilize, extricate, and rescue accident victims during a simulated emergency at Schriever](https://c8.alamy.com/comp/P3N2JA/kenny-gestes-schriever-air-force-base-fire-department-firefighter-handles-the-shark-a-collapsible-step-cribbing-which-is-used-to-stabilize-extricate-and-rescue-accident-victims-during-a-simulated-emergency-at-schriever-air-force-base-monday-july-11-2016-the-firefighters-are-in-a-ready-posture-24-hours-a-day-including-holidays-down-days-and-weekends-they-have-a-normal-workday-which-consists-of-routine-vehicle-maintenance-training-and-details-us-air-force-photostaff-sgt-matthew-coleman-foster-P3N2JA.jpg)